Where is Smoke in 2.83.10?
The smoke and fluid simulations changed with the introduction of mantaflow
The settings are in Fluid.

To create the smoke emitter, or Flow.
Set the Type to Flow
And the Flow Type to Smoke.


For the Domain
Set the Type to Domain
And the Domain Type to Gas



For a simpler way to set flow and domain simultaneously, just select the object, press F3 and type quick smoke.